apps/plugins/lib/playback_control.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 Jonathan Gordon
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include "plugin.h"
  23 #include "playback_control.h"
  24
  25 struct viewport *parentvp = NULL;
  26
  27 static bool prevtrack(void)
  28 {
  29     rb->audio_prev();
  30     return false;
  31 }
  32
  33 static bool play(void)
  34 {
  35     int audio_status = rb->audio_status();
  36     if (!audio_status && rb->global_status->resume_index != -1)
  37     {
  38         if (rb->playlist_resume() != -1)
  39         {
  40             rb->playlist_start(rb->global_status->resume_index,
  41                 rb->global_status->resume_offset);
  42         }
  43     }
  44     else if (audio_status & AUDIO_STATUS_PAUSE)
  45         rb->audio_resume();
  46     else
  47         rb->audio_pause();
  48     return false;
  49 }
  50
  51 static bool stop(void)
  52 {
  53     rb->audio_stop();
  54     return false;
  55 }
  56
  57 static bool nexttrack(void)
  58 {
  59     rb->audio_next();
  60     return false;
  61 }
  62
  63 static bool volume(void)
  64 {
  65     const struct settings_list* vol =
  66         rb->find_setting(&rb->global_settings->volume, NULL);
  67     return rb->option_screen((struct settings_list*)vol, parentvp, false, "Volume");
  68 }
  69
  70 static bool shuffle(void)
  71 {
  72     const struct settings_list* shuffle =
  73         rb->find_setting(&rb->global_settings->playlist_shuffle, NULL);
  74     return rb->option_screen((struct settings_list*)shuffle, parentvp, false, "Shuffle");
  75 }
  76
  77 static bool repeat_mode(void)
  78 {
  79     const struct settings_list* repeat =
  80         rb->find_setting(&rb->global_settings->repeat_mode, NULL);
  81     int old_repeat = rb->global_settings->repeat_mode;
  82
  83     rb->option_screen((struct settings_list*)repeat, parentvp, false, "Repeat");
  84
  85     if (old_repeat != rb->global_settings->repeat_mode &&
  86         (rb->audio_status() & AUDIO_STATUS_PLAY))
  87         rb->audio_flush_and_reload_tracks();
  88
  89     return false;
  90 }
  91 MENUITEM_FUNCTION(prevtrack_item, 0, "Previous Track",
  92                   prevtrack, NULL, NULL, Icon_NOICON);
  93 MENUITEM_FUNCTION(playpause_item, 0, "Pause / Play",
  94                   play, NULL, NULL, Icon_NOICON);
  95 MENUITEM_FUNCTION(stop_item, 0, "Stop Playback",
  96                   stop, NULL, NULL, Icon_NOICON);
  97 MENUITEM_FUNCTION(nexttrack_item, 0, "Next Track",
  98                   nexttrack, NULL, NULL, Icon_NOICON);
  99 MENUITEM_FUNCTION(volume_item, 0, "Change Volume",
 100                   volume, NULL, NULL, Icon_NOICON);
 101 MENUITEM_FUNCTION(shuffle_item, 0, "Enable/Disable Shuffle",
 102                   shuffle, NULL, NULL, Icon_NOICON);
 103 MENUITEM_FUNCTION(repeat_mode_item, 0, "Change Repeat Mode",
 104                   repeat_mode, NULL, NULL, Icon_NOICON);
 105 MAKE_MENU(playback_control_menu, "Playback Control", NULL, Icon_NOICON,
 106             &prevtrack_item, &playpause_item, &stop_item, &nexttrack_item,
 107             &volume_item, &shuffle_item, &repeat_mode_item);
 108
 109 void playback_control_init(struct viewport parent[NB_SCREENS])
 110 {
 111     parentvp = parent;
 112 }
 113
 114 bool playback_control(struct viewport parent[NB_SCREENS])
 115 {
 116     parentvp = parent;
 117     return rb->do_menu(&playback_control_menu, NULL, parent, false) == MENU_ATTACHED_USB;
 118 }